Avatar of mmalik15
mmalik15
 asked on

how to fix "Mailbox unavailable. The server resposne was: 5.7.1....."

on a form submission  we are getting the following (Also attached screenshot) message.

MailBox unavailable. The server response was:5.7.1.... See attached image for details. Any solutions?

we are using IIS 6 in windows 2003 server
smtp-error.jpg
ASP.NETEmail ProtocolsC#

Avatar of undefined
Last Comment
Rose Babu

8/22/2022 - Mon
Manpreet SIngh Khatra

Is this some kind of Application trying to relay data through some Email server ?
Was there some changes to server or application ? was it working earlier ?

- Rancy
ASKER CERTIFIED SOLUTION
Rose Babu

Log in or sign up to see answer
Become an EE member today7-DAY FREE TRIAL
Members can start a 7-Day Free trial then enjoy unlimited access to the platform
Sign up - Free for 7 days
or
Learn why we charge membership fees
We get it - no one likes a content blocker. Take one extra minute and find out why we block content.
Not exactly the question you had in mind?
Sign up for an EE membership and get your own personalized solution. With an EE membership, you can ask unlimited troubleshooting, research, or opinion questions.
ask a question
This is the best money I have ever spent. I cannot not tell you how many times these folks have saved my bacon. I learn so much from the contributors.
rwheeler23